<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/marketing-cms/m2p-blog/2025/12/the-dagen-h-playbook-blog_main_banner_2000x1000-copy.webp" alt="Sweden’s Dagen H: Operational and Engineering Excellence in Fintech" title="" id="p68o1b3e4" width="100%" height="255">In fintech, where a single platform migration can disrupt millions of transactions, leaders face make-or-break moments daily. Payment systems must scale seamlessly amid regulatory changes, tech upgrades, and surging demands. We’ve seen firsthand how navigating these challenges with strategic discipline can turn technology migrations from potential pitfalls into powerful competitive advantages.&nbsp;&nbsp;<h2 class="heading-node" id="8u5xpw5o3" style="text-align: left">Sweden’s Dagen H: A Lesson in Transformation&nbsp;</h2>One of the most striking metaphors for this is Sweden’s historic Dagen H event on September 3, 1967, when the country switched from left-hand to right-hand driving overnight, a change of monumental scale that required flawless planning and execution. Like fintech platform migrations today, this transition touched every road, vehicle, and citizen’s behavior, with the risk of chaos looming large. Yet, through clear vision, relentless preparation, and coordinated communication, Sweden turned what could have been a national crisis into a masterclass of operational excellence.&nbsp;Today, the same principles drive success in complex technology transformations, especially in global payment systems.&nbsp;Before we delve into how these lessons apply to modern fintech transformations, let’s break down the four principles that made Sweden’s Dagen H transition a definitive blueprint for operational excellence.&nbsp;<h2 class="heading-node" id="6hq6194te" style="text-align: left">Why Dagen H Worked: A Blueprint for Digital Transformation&nbsp;</h2>The successful execution of Sweden’s transition was a masterclass in strategic change management, driven by four principles:&nbsp;<h3 class="heading-node" id="4mrjmv3zl" style="text-align: left">1. Clear Vision and Nationwide Alignment&nbsp;</h3>The government united the nation with a compelling ‘why,’ aligning goals to improve road safety and synchronize with neighbors.&nbsp; Action Example: Over 130,000 road signs were replaced overnight, and countdown clocks maintained constant public awareness.&nbsp;<h3 class="heading-node" id="ogmp0vl08" style="text-align: left">2. Meticulous and Comprehensive Planning&nbsp;</h3>Extensive physical redesign and preparation ensured every detail, from intersections to signals, was perfectly recalibrated.&nbsp; Action Example: More than 360,000 street signs changed, and thousands of traffic lights reconfigured, demonstrating flawless coordination.&nbsp;<h3 class="heading-node" id="6yybh829q" style="text-align: left">3. Human-Centric Behavioral Design&nbsp;</h3>Cultural campaigns and behavioral nudges helped citizens confidently embrace the new rules.&nbsp; Action Example: "H" Gloves and the slogan "Håll dig till höger, Svensson!" reinforced safe driving through cultural engagement.&nbsp;<h3 class="heading-node" id="xkv3m0tjz" style="text-align: left">4. Rigorous Risk Mitigation and Live Simulation&nbsp;</h3>A controlled, phased approach with police supervision minimized operational risk during the switch.&nbsp; Action Example: Public transport was suspended overnight to repaint buses and reconfigure boarding doors, ensuring safety.&nbsp;<h2 class="heading-node" id="sn2x1gm4y" style="text-align: left">Lessons for Today’s Leaders&nbsp;</h2>Successful digital transformations demand excellence on multiple fronts:&nbsp;<ul class="list-node" id="ijiq1fbcw"><li>Operational Excellence: Having crystal-clear vision, meticulous preparation, and precision execution at every stage. Without these, complexity breeds risk rather than results.&nbsp;</li></ul><ul class="list-node" id="e0fd29yle"><li>Engineering Excellence: Requires systems thinking, anticipating interdependencies, and designing resilient, scalable architectures that can adapt mid-flight.&nbsp;</li></ul><ul class="list-node" id="usckbc2rw"><li>Change Management: Engaging users proactively through transparent communication and training ensures smoother transitions and adoption.&nbsp;</li></ul><h2 class="heading-node" id="7k85dvcym" style="text-align: left">Drawing Modern Parallels in Payment Systems</h2>The principles that made Dagen H a phenomenal success are echoed in the design choices powering today’s disruptive fintech innovations:&nbsp;<ul class="list-node" id="heux04dfm"><li>Microservices Architecture: Modular design enables fintechs to deploy updates independently, minimize downtime, and isolate failures during complex migrations.&nbsp;</li></ul><ul class="list-node" id="fsou6e6v1"><li>API-First Design: APIs unlock seamless integration with diverse merchant ecosystems and partners, accelerating innovation cycles and market responsiveness.&nbsp;</li></ul><ul class="list-node" id="pfobwuqoi"><li>Continuous Assessment: Real-time telemetry, automated alerts, and observability dashboards form the nerves and eyes of modern platforms, detecting anomalies early and enabling rapid remediation.&nbsp;</li></ul>These pillars underpin innovations shaping payments, from scalable platform migrations to fraud prevention and AI-driven operational insights.&nbsp; <h2 class="heading-node" id="ej6b05zv1" style="text-align: left">Examples: Applying Key Lessons to Modern Payment System Migrations&nbsp;</h2><h3 class="heading-node" id="17hbw236p" style="text-align: left">Platform Migration (V1 → V2)&nbsp;</h3>Just as Sweden redesigned its entire road network to switch driving sides, modern payment platforms require exhaustive process mapping, rigorous testing, and carefully phased rollouts to ensure a smooth transition.&nbsp; Proven success: Stripe handled 465 million transactions, about 137,000 per minute, during Black Friday 2024 with an outstanding 99.9999% uptime, setting a new standard for platform reliability and scale.&nbsp;<h3 class="heading-node" id="rds04ztox" style="text-align: left">Mitigating Risk with Shadow Deployments&nbsp;</h3>Sweden paused all traffic during its switch to minimize risk; likewise, payment systems run parallel shadow deployments and mirror live traffic to validate capacity and functionality without disrupting customer transactions.&nbsp; Proven success: Microsoft’s operational playbook emphasizes mirroring production traffic to proactively detect bottlenecks and validate system performance before full rollout.&nbsp;<h3 class="heading-node" id="ineyhzcj4" style="text-align: left">Prioritizing Human-Centric Communication&nbsp;</h3>Sweden meticulously educated drivers to ensure compliance. Today’s fintechs invest heavily in training merchants and customers on new security measures, tokenization practices, fraud prevention, and API changes through intuitive dashboards and real-time alerts.&nbsp; Proven success: Visa Analytics helped Luminor reduce declines and boost monthly sales by €500K by empowering merchants with actionable insights.&nbsp;<h3 class="heading-node" id="54zdbs0pv" style="text-align: left">Engineering for Scalability and Resilience&nbsp;</h3>Anticipating congestion, Sweden prepared for traffic flow changes. Similarly, modern payment architectures model peak load scenarios and implement auto-scaling, failover capabilities, and disaster recovery strategies to ensure uninterrupted service.&nbsp; Proven success: Visa processes over 260 billion transactions every year, while Mastercard reports a steady 9% growth in transaction volume annually.&nbsp;<h2 class="heading-node" id="344i5y6py" style="text-align: left">Measured Business Impact &amp; Capacity Planning&nbsp;</h2><ul class="list-node" id="lrvre3kld"><li>Stripe: Delivered sub-200 ms latency during peak loads, processing 465 million transactions over Black Friday Cyber Monday (BFCM) with near zero downtime.&nbsp;</li></ul><ul class="list-node" id="d99k8c1bc"><li>Visa Analytics: Enabled clients like Luminor to reduce declines and generate an additional €500K in monthly sales; Advancial recorded a 22% increase in card spend.&nbsp;</li></ul><ul class="list-node" id="di2iu7328"><li>Global Scale: Digital payments are set to exceed $11.5 trillion globally, with PayPal processing $443 billion in Q2 2025 and Apple Pay commanding 49% market share of US digital wallets.&nbsp;</li></ul><ul class="list-node" id="ds4flxoza"><li>Capacity Planning: Kohl’s Site Reliability Engineering (SRE) playbook details multi-region failover and disaster recovery drills during holiday peaks, mirroring Sweden’s phased and carefully managed execution approach.&nbsp;</li></ul><h2 class="heading-node" id="f647dvcy7" style="text-align: left">Key Takeaways&nbsp;</h2>Whether migrating platforms or scaling for holiday peaks, the Dagen H blueprint proves that strategic success in high-stakes environments is achievable. The core principles, clarity, precision, and human focus, are the strategic levers that turn technological complexity into unshakeable confidence.&nbsp;The mandate for every leader is clear:&nbsp; Communicate relentlessly. Plan obsessively. Execute flawlessly.&nbsp;This thought leader article was authored by <a class="link Hyperlink SCXW247589893 BCX8" href="https://www.linkedin.com/in/hemachandar-ec-93a58527/" target="_blank" rel="noreferrer noopener">Hemachandar Ejamanam Chakravarthy</a>, Director, Engineering, M2P.&nbsp;&nbsp;&nbsp;Follow us on&nbsp;<a class="link fui-Link ___1idfs5o f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq f17ae5zn" href="https://www.linkedin.com/company/m2pfintech/mycompany/" target="_blank" rel="noreferrer noopener">LinkedIn</a>&nbsp;and&nbsp;<a class="link fui-Link ___1idfs5o f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq f17ae5zn" href="https://twitter.com/m2pfintech" target="_blank" rel="noreferrer noopener">Twitter</a>&nbsp;for insightful fintech bytes curated for curious minds like you.

The Dagen H Playbook: Operational Discipline for Modern Payment Platforms

Why Simplification is the Ultimate Engineering Strategy

Algorithms and the Three Paths of Agrippa’s Trilemma in Fintech

8 Ways AI is Reinventing the Fintech Landscape

<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2025/02/2000x1000-100-1.webp" alt="Top fintech trends and predictions for 2025" title="" width="100%" height="358">As we step into 2025, the global fintech market is buzzing with excitement and possibilities. The industry is expected to hit a staggering $340 billion this year, and the pace of innovation shows no signs of slowing down. At M2P Fintech, we closely watch how technologies like AI, machine learning, and RPA are transforming the way we experience financial services.&nbsp; That being said, from AI-powered wealth management tools to the new innovations in neobanking, here are 10 key predictions we believe will shape the future of fintech in 2025.&nbsp;<h2 class="heading-node" id="fbqcyqbu6" style="text-align: justify">1. Embedded Finance will surge&nbsp;</h2>Embedded finance industry is projected to rise drastically in 2025, and in the upcoming years, it is estimated that embedded finance market will grow from $115.8 billion in 2024 to $251.5 billion by 2029 globally. This industry has diverse applications, from payments and banking to investing and beyond.&nbsp; Embedded finance will play a pivotal role in digital businesses, as the consumer seeks a more seamless and integrated experience. Embedded finance in India is expected to flourish from $5.8 billion in 2024 to $28.6 billion by 2029.&nbsp; Trends that are likely to shape this space include AI and automation, blockchain and smart contracts, PSD3 regulations, and connected industries. As more consumers realize the convenience and value of embedded finance, its adoption will continue to rise.&nbsp;<h2 class="heading-node" id="opuf2tynx" style="text-align: justify">2. Robotic Process Automation (RPA) to expand its role&nbsp;</h2>Robotic Process Automation (RPA) in financial services is set to evolve beyond the basic automation in 2025. Driven by trends such as hyper-automation, advanced AI integration, and the emergence of RPA-as-a-service, the global RPA market is projected to reach $13.87 billion by 2028, at a CAGR of 24.31%. In India specifically, the market for RPA is anticipated to reach $787.3 million by 2032.&nbsp;&nbsp; With more and more organizations prioritizing cost savings, high productivity, and a neat customer experience to meet the demands, making the market for automation is expected to expand wider. This growth enables FIs to automate complex processes and enhance operational efficiency and customer service, all while ensuring compliance with regulatory standards.&nbsp;<h2 class="heading-node" id="wmnaqoqt2" style="text-align: justify">3. Wealthtech industry is on an upward trajectory&nbsp;</h2>The wealthtech industry is primed to experience rapid expansion in 2025 with a projection to reach $12.07 billion by 2030, at a CAGR of 13.9%. &nbsp; The combined wealth of millennials and Gen Z, along with their preference for digital-first solutions, will drive innovations in the wealth management space. The integration of wealth management with gaming and social media will enhance the adaptability of the wealthtech platform.&nbsp; The rise of digital portfolios, rather than the physical assets, marks the investments in the financial instruments, which now make up 33% of India’s GDP. Especially post-pandemic, the usage of mutual funds and demat account inflows reached unprecedented levels.&nbsp;&nbsp; Looking forward to 2025, India’s wealthtech market carries immense potential; traditional hubs like Delhi and Mumbai continue to drive growth. Tier-2 and Tier-3 cities offer untapped markets for first-time investors who are eager to invest in these digital portfolios according to their risks and needs.&nbsp;<h2 class="heading-node" id="t77na0rlb" style="text-align: justify">&nbsp;4. Blockchain to take the lead&nbsp;</h2>The finance industry will gain more momentum in the blockchain race, as the technology is heavily focused on cheaper and faster financial transactions across borders. In the future, the adoption of blockchain will rise significantly to build more transparent and secure financial systems.&nbsp;&nbsp; At a CAGR of 82.2%, experts anticipate the global blockchain market to reach $1,235.72 billion by 2030. As consumers across the world need secure transactions, the opportunity for blockchain technology will immensely grow in the near future. Security and transparency, decentralization, and efficiency will boost the rise of blockchain technology.&nbsp;&nbsp; India’s blockchain market is predicted to reach revenue of $53,182.9 million by 2030, at a CAGR of 89.4%. Scalability, regulation, complexity, energy consumption, and security are the major challenges blockchain technology must overcome for its growth.&nbsp;<h2 class="heading-node" id="pil7my7iz" style="text-align: justify">5. AI will transform the industry&nbsp;</h2>This year, artificial intelligence (AI) is expected to revolutionize the fintech industry by improving operational efficiency and customer experiences. Projections indicate that the market for AI in fintech will reach $31.71 billion in 2027, steered by factors such as threat prevention, preventive analysis, demand for personalized user experience, high security, and faster transactions on the go.&nbsp;&nbsp; On the other hand, experts predict that India's market will reach $8.30 billion in 2025, at a CAGR of 27.86% to reach a market volume of $28.36 billion by 2030. By leveraging AI, fintech companies aim to create more inclusive financial ecosystems, ultimately making financial services more accessible and responsive to diverse consumer needs.&nbsp;<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2025/02/2000x1000-copy-100-1.webp" alt="Top fintech trends and predictions for 2025" title="" width="100%" height="358"><h2 class="heading-node" id="487atgitr" style="text-align: justify">6. Internet of Things (IOT) in fintech is set to snowball&nbsp;</h2>By 2029, the global IoT market is projected to reach $1.56 trillion with a 10.49% increase in market volume. With advancements in 5G connectivity, digital twin technology, edge computing, AI and ML, and blockchain, the rise of IoT looks promising. &nbsp; The Indian market of IoT is projected to expand to $49.82 billion by 2029. From smart payments to data-driven risk management, the IOT-fintech synergy is about reimagining financial services by creating personalization, security, efficiency, and accessibility for the consumers.&nbsp;&nbsp; The combination of IoT and fintech presents a unique opportunity that could transform the way customers bank, insure, invest, and transact financial opportunities.<h2 class="heading-node" id="srnqnt96b" style="text-align: justify">7. Buy Now, Pay Later (BNPL) will mature&nbsp;</h2>BNPL is expected to thrive in 2025, with the global market reaching $344 billion. Financial analysts attribute this growth to several factors, including the rising adoption of digital wallets and mobile payments, improved credit assessment models, increased regulatory oversight, and growing consumer demand for flexible and inclusive payment options.&nbsp;&nbsp;&nbsp; In India, the BNPL market is set to experience notable market expansion, estimated to reach $17.96 billion by the end of 2025. Surge in e-commerce, digital P2M payments, and increase in millennial and Gen Z consumer spending capacity would fuel this growth.&nbsp; While the competition among payment service providers is expected to drive innovation and accessibility, analysts suggest high interest rates and associated fees can potentially hinder growth and adoption.&nbsp;&nbsp; As the sector matures, it is likely to undergo consolidation, with market players focusing more on responsible lending practices. This shift will be driven by growing scrutiny from financial regulators, ensuring that BNPL services remain sustainable and consumer friendly.&nbsp;<h2 class="heading-node" id="jectuj0x1" style="text-align: justify">8. Open Banking to become more popular&nbsp;</h2>The state of open banking in 2025 looks incredibly promising and transformative. Open banking is set to become more popular in regions like the UK and Europe, making the global open banking payments transactions value increase to $330 billion by 2027.&nbsp;&nbsp; On the other hand, with financial institutions, regulators, and fintechs working together, the sector will see significant developments, enabling secured data sharing and collaboration between financial institutions, customers, and companies.&nbsp;&nbsp; In India, the open banking market is forecasted to reach a revenue of $7,485.8 million by 2030, at a CAGR of 29.8%. Further, financial analysts predict that artificial intelligence will play a crucial role in open banking by improving fraud detection, offering more accurate financial analytics, and providing personalized recommendations.&nbsp;&nbsp; &nbsp;<h2 class="heading-node" id="wpoc6ue18" style="text-align: justify">9. Neobanking sector will flourish&nbsp;</h2>2025 looks like a promising year with stellar growth and innovation for the neobanking market. Emerging trends such as the increasing adoption of AI, digital partnerships, shared banking, personal finance combined with market expansion, a digital-first approach, personalized services, and the integration of blockchain technology are expected to fuel this growth.&nbsp;&nbsp; The low-cost model for end customers, which offers extremely low monthly fees for banking services like minimum balance maintenance, withdrawals, and deposits, will propel the global neobanking market to reach $394.6 billion by 2026.&nbsp;&nbsp; While the neobanking market in India is set to reach $138.70 billion in 2025, its success is based on the adoption by millennials, micro, small, and medium enterprises (MSMEs), and those who have high income and earnings.&nbsp;<h2 class="heading-node" id="nttnp100z" style="text-align: justify">10. Gamification market is expected to boom&nbsp;</h2>Gamification is emerging as a pivotal trend in the fintech sector, significantly enhancing customer engagement and retention. This trend is expected to strengthen substantially in 2025, driven by increased adoption across various sectors, including banking and retail, as businesses leverage gamification to enhance customer experiences and foster loyalty.&nbsp;&nbsp; In India, the gamification trend is gaining momentum as fintech apps are adopting gamification strategies that resonate with local users. Elements such as rewards points, badges, and challenges motivate users to engage more deeply with apps. This not only enhances user engagement but also promotes financial literacy among the younger demographic.&nbsp; Want to stay ahead of these fintech trends?&nbsp;&nbsp; Explore how <a class="link" href="https://m2pfintech.com/contact-us/?activeKey=1">M2P Fintech</a> can help you leverage fintech for your business.&nbsp; <a class="link fui-Link ___1idfs5o f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq f17ae5zn" href="https://m2pfintech.com/newsletter/" target="_blank" rel="noreferrer noopener">Subscribe</a>&nbsp;to our newsletter and get the latest fintech news, views, and insights, directly to your inbox. Follow us on&nbsp;<a class="link fui-Link ___1idfs5o f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq f17ae5zn" href="https://www.linkedin.com/company/m2pfintech/mycompany/" target="_blank" rel="noreferrer noopener">LinkedIn</a>&nbsp;and&nbsp;<a class="link fui-Link ___1idfs5o f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq f17ae5zn" href="https://twitter.com/m2pfintech" target="_blank" rel="noreferrer noopener">Twitter</a> for insightful fintech bytes curated for curious minds like you.

Top 10 Fintech Predictions for 2025

50 Fintech Buzzwords Explained

&nbsp;<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2024/03/Creative-for-SSL.webp" alt="M2P Fintech" title="" width="100%" height="253">Welcome to our latest blog, where we dive into the critical security technique known as SSL Pinning. This method plays a pivotal role in thwarting eavesdropping attacks on the communication between an app and its server.SSL Pinning involves a process where, after the initial exchange of encryption keys, the app verifies the validity of the server's certificate. It achieves this by maintaining a list of trusted certificates on the device itself, which are then compared to the server's certificate in real time as the app operates.&nbsp;If there is a discrepancy, indicating that the server's certificate does not align with the trusted ones, the app promptly halts the connection.&nbsp;Types of SSL Pinning:<ul class="list-node" id="c5h0hkum0"><li>SSL Pinning using Certificate: This method has the drawback that we must update the app each time the pinned certificate expires. However, by anchoring upcoming certificates in the application, this problem may be resolved. We may use the hashed public key, which won't change for subsequent certifications, rather than pinning the entire certificate.&nbsp;</li></ul><ul class="list-node" id="8d24u2471"><li>SSL Pinning using server Public key:&nbsp;This method includes attaching the certificate's public key (certificate expiration need not be a concern here).</li></ul>Mobile applications must retrieve data from the server to display it to consumers. However, private data, such as the user's login and password, is occasionally transmitted between the program and the server. SSL Pinning is mainly used in the prevention of man-in-the-middle attacks.Man-In-The-Middle Attack &nbsp;This type of attack allows the attacker to covertly view data passed from the client to the server by using a specialized server called an SSL proxy. It is a tool that encrypts and decrypts data between the client and the server using different keys for each direction. Charles, a proxy server used for testing, is one such example. It works in several phases to intercept and analyze the data between the app and the server.  By sitting between the app and the internet, it allows you to examine and modify data in real-time to test the response of the application.&nbsp;<ol class="list-node" id="xyrs1alxr"><li>Instead of using the server's key to encrypt data, your app utilizes the public key of the Charles ProxyCertificate. The Charles Certificate is considered valid because the developer can install it on their device.&nbsp;</li><li><a class="link" href="https://www.kodeco.com/21931256-charles-proxy-tutorial-for-ios">Charles</a> may connect to the server using its public key after using its private key to decode all the data. Be aware that any developer can read all the data that your app sends over the network. &nbsp;</li></ol>SSL Pinning using Public Key &nbsp;<ul class="list-node" id="r0h4qy5p1"><li>Get public certificates using OpenSSL by typing a command in the terminal/console to get the PEM key. &nbsp;</li></ul>echo "Get HTTP/1.0" | openssl s_client -showcerts -connectwww.MyDomainName.com:443 &gt; myPemCertificateName.pem &nbsp;<ul class="list-node" id="93uejjeug"><li>Type this command to turn the created PEM key into .der format.</li></ul>openssl x509 -in "myPemFileName.pem" -inform PEM -out "myDerFileName.der" -outform DER &nbsp;<ul class="list-node" id="62sgzhr0g"><li>Use this command to get the public key from the URL in SHA256 format. &nbsp;</li></ul>openssl s_client -connect www.MyDomainName.com:443 | openssl x509 -pubkey -noout | openssl rsa -pubin -outform der | openssl dgst -sha256 -binary | openssl enc -base64 &nbsp;<ul class="list-node" id="bos2d0jr8"><li>443 is the safe port for HTTPS. If your website uses a different port, use that number instead of 443. &nbsp;</li><li>The result should look like this. &nbsp;</li></ul>A3r26k+KOMuKJHB5B67cpGqqPhF/GNUyNl2EPJKB65KJUe+hXMn1k= &nbsp;<ul class="list-node" id="munqf5sov"><li>Generate the Hash Key using this <a class="link" href="https://www.ssllabs.com/ssltest/">link</a> as well. &nbsp;</li></ul><ul class="list-node" id="a5wc1jmum"><li>Create a variable to store the Public key that we get from the certificate. &nbsp;</li></ul>static let sslPublicKey ="A3r26k+KOMuKJHB5B67cpGqqPhF/GNUyN2EPJKB6KJUe+hXMn1k=" &nbsp;Pinning with Alamofire &nbsp;<ul class="list-node" id="vlgnafls0"><li>Using the regular API can be complicated. Using Alamofire is recommended because it is an external library that offers a simpler way to work with APIs, making your life easier. &nbsp;</li><li>The ServerTrustEvaluating protocol is the foundation of everything. It allows us to evaluate server trust in various ways. Alamofire has several trust evaluators. You can read the full documentation <a class="link" href="https://github.com/Alamofire/Alamofire/blob/master/Documentation/AdvancedUsage.md#security">here</a>. &nbsp;</li><li>Select the ServerTrustEvaluator for each API. &nbsp;</li></ul> <img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2024/03/ss1.webp" alt="M2P Fintech" title="" width="100%" height="138"><ul class="list-node" id="7fgyhm915"><li>Then create a session with them, and you can customize your configuration. &nbsp;</li></ul> <img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2024/03/ss2.webp" alt="M2P Fintech" title="" width="100%" height="88"><ul class="list-node" id="p64ip70za"><li>rsa2048Asn1Header is a list of whole numbers that shows the algorithm and any additional information used with the public key. &nbsp;</li><li>This private func sha256(data: Data) -&gt; String function creates a coded hash using the sha256 method for the given data and encodes it in base64. &nbsp;</li><li>import CommonCrypto for sha256 algorithm &nbsp;</li><li>In SessionDelegate, the URLAuthenticationChallenge method is used to get ServerPublicKeyData &nbsp;</li></ul> <img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2024/03/ss3.webp" alt="M2P Fintech" title="" width="100%" height="44"><ul class="list-node" id="0b7oumb7i"><li>We can perform some actions using this delegate method and match our Public Key with Server Public Key. &nbsp;</li></ul> <img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2024/03/ss4.webp" alt="M2P Fintech" title="" width="100%" height="569">Implementing SSL pinning using a public key in iOS enhances security by ensuring that only trusted servers with specific public keys can establish connections. This method mitigates the risks associated with man-in-the-middle attacks and unauthorized access to sensitive data, providing users with a more secure experience.Stay tuned for more blogs on tech, engineering, and iOS development.&nbsp;This blog is written by <a class="link" href="https://teams.microsoft.com/l/message/19:2ef83816-29e0-4b52-8caa-64b0aeca1ec1_dd9ec8f1-8445-4b0a-92af-aa769014f3db@unq.gbl.spaces/1709882415989?context=%7B%22contextType%22%3A%22chat%22%7D">Senthilkumar</a>, SDE 2 – Product Engineering at M2P.

Setting up SSL Pinning using Public Key in Swift

<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2023/12/For-Wordpress-1.webp" alt="M2P Fintech" title="" id="8q7035tgd" width="100%" height="317">Efficient communication between components is crucial for the overall performance and responsiveness of a system in a microservices architecture.But how can you achieve optimal communication between the components?Dive into this blog as <a class="link" href="https://www.linkedin.com/in/maathavan-tr-vinayak-2ab153a3/" target="_blank" rel="noopener">Maathavan Vinayak</a>, our Engineering Director, guides you through the ways to achieve faster communication between inter-components in a microservices architecture to improve overall agility and efficiency.Communication becomes the linchpin for seamless operations in a microservices architecture. The figure below depicts the intricacy of communication within a sophisticated microservices architecture.<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2023/12/Architecture-1-2.webp" alt="M2P Fintech" title="" width="100%" height="254">&nbsp;<h2 class="heading-node" id="fddfmsxu9" style="text-align: justify">Asynchronous Communication</h2>Implement asynchronous messaging systems, such as message queues (e.g., Apache Kafka, RabbitMQ) or publish-subscribe systems. This allows components to communicate without waiting for immediate responses and improves system responsiveness.<h2 class="heading-node" id="7rumoo3ns" style="text-align: justify">Caching</h2>Use caching mechanisms (e.g. Redis) to store frequently accessed data close to the components that need it. This reduces the necessity to make expensive calls to other services repeatedly.<h2 class="heading-node" id="6gwb3mowd" style="text-align: justify">Load Balancing</h2>Implement load balancers to evenly distribute traffic among multiple instances of a service. This prevents overloading a single instance and ensures efficient resource utilization.<h2 class="heading-node" id="z8gp7300t" style="text-align: justify">Connection Pooling</h2>Use connection pooling to manage and reuse database or external service connections. This approach effectively reduces the overhead associated with creating new connections for each request.<h2 class="heading-node" id="2ik8msq4n" style="text-align: justify">Microservices Gateway</h2>Implement a microservices gateway or API gateway that acts as a single entry point for clients. It can consolidate multiple requests into a single request to backend services, thus reducing latency.<h2 class="heading-node" id="i9c8tkwf8" style="text-align: justify">Content Delivery Networks (CDNs)</h2>Offload static assets and content to Content Delivery Networks to serve them from edge locations. This reduces latency for clients.<h2 class="heading-node" id="gtwdc43ci" style="text-align: justify">Service Mesh</h2>Use a service mesh (e.g. Istio, Linkerd) to handle communication, routing, and load balancing between services. It provides observability and control over service-to-service communication.<h2 class="heading-node" id="fxkshmrw7" style="text-align: justify">HTTP/2 and gRPC</h2>HTTP/2 is used to improve efficiency in HTTP communication. gRPC offers high-performance, multiplexed, and strongly typed communication between microservices.<h2 class="heading-node" id="1p1mqqaia" style="text-align: justify">Connection Keep-Alive</h2>Configure connection keep-alive settings to reuse existing connections and reduce the overhead of establishing new ones.<h2 class="heading-node" id="lcjddkypg" style="text-align: justify">Optimize Data Transfer</h2>Minimize the amount of data transferred between services. Use protocols like Protocol Buffers or JSON Web Tokens (JWT) for efficient data serialization.<h2 class="heading-node" id="m5qavhcie" style="text-align: justify">Distributed Tracing</h2>Implement distributed tracing solutions (e.g., Open Telemetry, Zipkin) to monitor and diagnose latency issues across microservices.<h2 class="heading-node" id="zj0fcyerv" style="text-align: justify">Parallelism</h2>Maximize efficiency by designing services to execute operations in parallel, enabling concurrent task execution and minimizing response time.<h2 class="heading-node" id="0nwmmaxj5" style="text-align: justify">Content Compression</h2>Enable content compression (e.g. gzip) to reduce the size of data transmitted over the network.<h2 class="heading-node" id="4kjwkvj2u" style="text-align: justify">CDN for API Responses</h2>Use CDNs to cache and serve API responses closer to end-users, reducing round-trip times for requests.<h2 class="heading-node" id="cbssdv6wa" style="text-align: justify">Response Caching</h2>Implement response caching mechanisms at the API level to serve cached responses for read-heavy operations.<h2 class="heading-node" id="dyv4dfs0l" style="text-align: justify">Prioritize API Endpoints</h2>Prioritize and optimize critical API endpoints to ensure they receive the necessary resources and attention to maintain low latency.<h2 class="heading-node" id="et1ym6s5b" style="text-align: justify">Reduce Chatty APIs</h2>Minimize the number of API calls required to fulfill a client request. Consolidate or batch multiple requests into a single request where possible.<h2 class="heading-node" id="a7mk7hl80" style="text-align: justify">Optimize Code</h2>Continuously optimize your microservices codebase for efficiency and performance to minimize bottlenecks. The following figure demonstrates the ongoing efforts in optimizing the code consistently for efficient data handling.<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2023/12/Architecture-2-1.webp" alt="M2P Fintech" title="" width="100%" height="253">Effective communication between microservices is a key consideration for system performance. The choice of specific techniques and technologies should align with your application requirements and use case.How do you enable efficient communication in a microservices architecture for streamlined collaboration, heightened performance, and lasting success?Share your experiences from your engineering journey in the comments below.<a class="link fui-Link ___1qmgydl f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq" href="https://m2pfintech.com/newsletter/" target="_blank" rel="noreferrer noopener">Subscribe</a>&nbsp;to our newsletter and get the latest fintech news, views, and insights, directly to your inbox.Follow us on&nbsp;<a class="link fui-Link ___1qmgydl f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq" href="https://www.linkedin.com/company/m2pfintech/mycompany/" target="_blank" rel="noreferrer noopener">LinkedIn</a>&nbsp;and&nbsp;<a class="link fui-Link ___1qmgydl f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq" href="https://twitter.com/m2pfintech" target="_blank" rel="noreferrer noopener">X</a>&nbsp;for insightful fintech bytes curated for curious minds like you.

Strategies for Efficient Component Communication in Microservices Architecture

<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2023/12/Learning-from-mistakes-banner-2-1.webp" alt="M2P Fintech" title="" id="by9un3ux7" width="100%" height="487">Learning from mistakes is an essential part of engineering practice. Mistakes can lead to significant milestones that transform design, process, and overall outcome. To know how, read this blog. Our Engineering Director, <a class="link" href="https://www.linkedin.com/in/maathavan-tr-vinayak-2ab153a3/" target="_blank" rel="noopener">Maathavan Vinayak</a>, takes you through proven strategies that normalize mistakes and transform them into catalysts for continuous learning and improvement.<h2 class="heading-node" id="ygy40wx68" style="text-align: justify">Create a Culture of Openness</h2>Encourage engineers to report and discuss mistakes without fear of judgment or blame. Foster an environment where team members feel comfortable admitting errors and sharing their learnings.<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2023/12/Learning-from-mistakes-1.webp" alt="M2P Fintech" title="" width="100%" height="487"><h2 class="heading-node" id="sp600ppnd" style="text-align: justify">Establish Clear Processes</h2>Implement a formal process for investigating mistakes, identifying root causes, and documenting lessons learned. This process should be standardized across teams and projects to ensure consistent learning across the organization.<h2 class="heading-node" id="75e7u8c1w" style="text-align: justify">Analyze Root Cause&nbsp;</h2>Go beyond simply identifying the immediate cause of a mistake and dig deeper to understand the underlying systemic issues that contributed to the error. This may involve reviewing design documents, analyzing process flows, and interviewing stakeholders.<h2 class="heading-node" id="hx5ygua8e" style="text-align: justify">Implement Corrective Actions</h2>Once the root causes have been identified, develop, and implement effective corrective actions to address the underlying issues and prevent similar mistakes from recurring. This may involve design modifications, process improvements, or training initiatives.<h2 class="heading-node" id="7dmutodf7" style="text-align: justify">Communicate Lessons Learned</h2>Share the findings of mistake investigations and the lessons learned with the broader engineering community. This can be done through team meetings, documentation, or dedicated knowledge-sharing platforms.<h2 class="heading-node" id="1zgvbwnkv" style="text-align: justify">Use Insights for Future Improvement</h2>Integrate the insights gained from mistake analysis into future design reviews, process development discussions, and quality assurance procedures. This ensures that lessons learned are embedded in ongoing engineering activities.<h2 class="heading-node" id="a549a2j3k" style="text-align: justify">Document Wisdom</h2>Keep a record of lessons learned from each mistake. Documenting your experiences, along with the insights gained, helps create a reference for future situations. This can be in the form of a personal journal, team retrospective, or project documentation.<h2 class="heading-node" id="fhgcg4qhu" style="text-align: justify">Share Knowledge</h2>Share your experiences with others. Discussing mistakes openly fosters a culture of learning and helps prevent similar errors in the future. It also demonstrates vulnerability and encourages others to share their experiences.<img src="https://m2p-website-file.s3.ap-south-1.amazonaws.com/m2p-website-file/marketing-cms/m2p-blog/2023/12/Learning-from-mistakes-2.webp" alt="M2P Fintech" title="" width="100%" height="487"><h2 class="heading-node" id="id7m285wl" style="text-align: justify">Be Proactive to Prevent Mistakes</h2>Employ tools and methodologies such as Failure Modes and Effects Analysis (FMEA), hazard analysis, and risk management techniques to proactively identify and address potential mistakes before they occur.<h2 class="heading-node" id="0vibwyykk" style="text-align: justify">Foster Learning&nbsp;</h2>Encourage a growth mindset among engineers, emphasizing the value of learning from mistakes as an opportunity for improvement and innovation. Recognize and reward individuals who contribute to mistake prevention and learning initiatives.<h2 class="heading-node" id="0z5206u6a" style="text-align: justify">Take Ownership</h2>Give engineers ownership of their work and encourage them to identify and address potential mistakes proactively. Empower them to suggest improvements and implement corrective actions within their scope of responsibility.<h2 class="heading-node" id="8w1pk8sfh" style="text-align: justify">Improve Continuously&nbsp;</h2>Regularly evaluate and refine the processes for identifying, analyzing, and learning from mistakes. This will ensure that the learning process is effective and adaptive to the evolving needs of the engineering function. By incorporating these strategies, engineering teams can transform mistakes into milestones and pave the way for a culture centered around learning and continuous improvement. The proactive approach not only reduces errors but also elevates design quality and creates superior outcomes for projects and products. Now, it's your turn to share. What's your most valuable lesson learned from a mistake in your engineering journey? Share your thoughts and experiences in the comments below. <a class="link fui-Link ___1qmgydl f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq" href="https://m2pfintech.com/newsletter/" target="_blank" rel="noreferrer noopener">Subscribe</a>&nbsp;to our newsletter and get the latest fintech news, views, and insights, directly to your inbox. Follow us on&nbsp;<a class="link fui-Link ___1qmgydl f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq" href="https://www.linkedin.com/company/m2pfintech/mycompany/" target="_blank" rel="noreferrer noopener">LinkedIn</a>&nbsp;and&nbsp;<a class="link fui-Link ___1qmgydl f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1hu3pq6 f11qmguv f19f4twv f1tyq0we f1g0x7ka fhxju0i f1qch9an f1cnd47f fqv5qza f1vmzxwi f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh ftqa4ok f2hkw1w fhgqx19 f1olyrje f1p93eir f1h8hb77 f1x7u7e9 f10aw75t fsle3fq" href="https://twitter.com/m2pfintech" target="_blank" rel="noreferrer noopener">X</a>&nbsp;for insightful fintech bytes curated for curious minds like you.

Tag: "Fintech (51)"

Product

About

Compliance

Resources